哪位达人能帮我看看这几句英语回答有没有什么错误吗?或者有没有什么更地道的回答能表达我的意思?

哪位达人能帮我看看这几句英语回答有没有什么错误吗?或者有没有什么更地道的回答能表达我的意思?
1.Q：Describe your college life.Is it different from your high school life and why?
A：My college is busy but substantial.It has a big diffierence from my high school life.In one hand,when I was in high school,I can devote almost all my time into study.But in college,I should spend lots of time taking part in many kinds of activities.And in the other hand ,I must learn to study on my own in my college life,or you will be failed in many subjects.
2.Q:Have you encountered any difficulty in your college life?If yes,how did you solve the problem and adjust to college life?If no,what do you think you have got in your college life?
A:Yes,of course.In college ,I should spend much time taking part in many kinds of activities but I also need lots of time study on my own .And the difficulty came out that I don't have enough time to do both of them well.To solve this problem,I drawed a timeable .It can reduce much time which I wasted.In this way,I'madjusting to the college life day by day.